Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
bec
←
Gaulish
*beccos
(derived)
←
Proto-Celtic
*bekkos
(derived)
←
Latin
beccus
(inherited)
→
Catalan
becaina
(mention)
→
Catalan
durbec
(compound)
→
Catalan
tirabec
(compound)
→
Catalan
becadell
(mention)